CN110396710A - A kind of wear-resisting screw plate and its production technology - Google Patents
A kind of wear-resisting screw plate and its production technology Download PDFInfo
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- CN110396710A CN110396710A CN201910730793.5A CN201910730793A CN110396710A CN 110396710 A CN110396710 A CN 110396710A CN 201910730793 A CN201910730793 A CN 201910730793A CN 110396710 A CN110396710 A CN 110396710A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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Abstract
The invention discloses a kind of wear-resisting screw plate and its production technologies, screw plate includes matrix, the nano-composite plate set on matrix outer, described matrix includes following component by mass percentage: C 1.0-1.15%, Si 1.2-1.6%, Mn 0.3-0.6%, Cr 0.95-1.25%, surplus are Fe and inevitable impurity；The nano-composite plate is formed in matrix surface by the electrodeposited technique of nanometer plating solution, and the nanometer plating solution includes the component of following content: 260-300g/L NiSO4·6H2O、20‑30g/L NiCl2·6H2O, 30-40g/L boric acid, 30-40g/L nanoparticle, 0.6-1.3g/L dispersing agent.Matrix improves C content on the basic components of 9SiCr shear steel, keeps the combination of its nano-composite plate and matrix closer.Nano-composite plate is based on nickel coating, composite nano particle, has both good toughness and plasticity, intensity and hardness, enhances the antisticking wear rate of coating.
Description
Technical field
The present invention relates to screw plate, in particular to a kind of wear-resisting screw plate and its production technology.
Background technique
Screw plate is the dedicated tool for being used to process screw tap, screw, is divided into movable plate and top plate, and surface is equipped with tooth line.It rubs with the hands
Filament plate is removably mounted in thread rolling machine, is worn up to and is replaced afterwards to a certain degree.Screw plate is needed because of its job specification
Have the characteristics that high rigidity, excellent wear, high intensity, fatigue resistance are good.
For script screw plate frequently with Cr12Mov steel making, wearability, intensity, hardness etc. performance are very excellent,
But high production cost and complex process used 9SiCr steel making instead later, and cost, which decreases, and service life is opposite improves.No
Its rate of depreciation is still very fast when crossing 9SiCr steel screw plate production high-strength bolt, and ideal indicator, enterprise is not achieved in service life
High production cost has much room for improvement.
Summary of the invention
In view of the above technical defects, the object of the present invention is to provide a kind of wear-resisting screw plates, have splendid wearability.
To achieve the above object, the present invention provides the following technical scheme that
A kind of wear-resisting screw plate, including matrix, set on the nano-composite plate of matrix outer, described matrix is wrapped by mass percentage
Following component: C 1.0-1.15%, Si 1.2-1.6%, Mn 0.3-0.6%, Cr 0.95-1.25% is included, surplus is Fe and can not keep away
Exempt from impurity；The nano-composite plate is formed in matrix surface by the electrodeposited technique of nanometer plating solution, and the nanometer plating solution includes
The component of following content: 260-300g/L NiSO4·6H2O、20-30g/L NiCl2·6H2O, 30-40g/L boric acid, 30-
40g/L nanoparticle, 0.6-1.3g/L dispersing agent.
By using above-mentioned technical proposal, matrix improves C content on the basic components of 9SiCr shear steel, makes its surrender
Point and elastic limit improve, and guarantee the hardness and wearability of matrix.And relatively, the toughness of matrix can decline, and processing is high-intensitive
Easily occur collapsing dental phenomenon when bolt.Nano-composite plate is formed in matrix surface, it is ensured that on the basis of certain toughness, is also had
There are high rigidity, high-wearing feature.The raising of C content additionally aids the binding performance for reinforcing nano-composite plate and matrix.
Nano-composite plate is based on nickel coating, composite nano particle, by means of the skin effect of nanoparticle and small
Dimensional effect changes the form of solid material surface, chemical component, prevents structure and stress state, it is good to assign material surface
Function and mechanical property.Therefore composite deposite has both the good toughness of nickel and plasticity, the intensity of nanoparticle and hardness, makes to plate
Molecule adhesion strength and shear action between layer metal and friction pair decline, and enhance the antisticking wear rate of coating.
The present invention is further arranged to: the nanoparticle includes 8-10 parts of nano aluminium oxides, 6-8 parts of nanometer titanium dioxides
Cerium, 2-3 part nano yttrium oxide, 6-8 parts of nanometer silicon carbides, 3-5 parts of nano zircites.
By using above-mentioned technical proposal, nano alumina particles have high rigidity and thermal stability, and which increase columns
Brilliant intensity, can hinder the sliding of dislocation and the extension of micro-crack in the outer masterpiece used time, improve the hardness and carrying energy of coating
Power；Simultaneous oxidation aluminum nanoparticles have refined coating crystal grain, so that coating surface crystal grain is tiny, it is strong to generate dislocation for compact structure
Change, hinders dislocation motion when material deformation, improve the properties of antifriction and wear resistance of coating.Nano ceric oxide and nano oxidized
Yttrium is obvious to the refining effect of coating crystal grain, effectively improves its abrasion resistance properties.Nanometer silicon carbide has high rigidity, high abrasion
Property, the features such as good self-lubricating property and elevated temperature strength are big, moreover it is possible to improve the deposition effect of plating solution.Nano zircite hardness
Greatly, wear-resisting high temperature, it is compound with nano aluminium oxide, the performances such as coating fracture toughness, bending strength can be improved.A variety of nanoparticles into
Row compounding, significantly improves the mechanical property of coating.
The present invention is further arranged to: the preparation process of the dispersing agent is as follows: diethylene glycol (DEG) and acetone being mixed, are heated to
40-45 DEG C, then logical nitrogen protection, and IPDI is added dropwise, it is heated to 60-65 DEG C after mixing evenly, reacts 3-4h, is subsequently added into poly- second
Glycol monomethyl ether, stannous octoate, dibutyl tin dilaurate react 3-4h, are finally evaporated under reduced pressure and remove acetone, and water mixing is added
Stir to get dispersing agent；The molar ratio of the diethylene glycol (DEG), IPDI and poly glycol monomethyl ether is (2-2.5): (2-3): 1.
By using above-mentioned technical proposal, the type of nanoparticle is more, and concentration is higher, and mechanical property can be better, but
It is similarly easily to reunite, so limit its application in coating.Before this coating frequently with a kind of nanoparticle and
Concentration is smaller, and carries out disperse modified using surfactant.
Dispersing agent in the present invention is aqueous polyurethane, after being adsorbed onto nano-particle surface, the phase between particle and particle
When mutually close, repulsive energy is generated, and then play promotion peptizaiton, multiple anchoring groups is contained in molecular structure, with nanometer
Particle is firmly combined, stably dispersing.
The present invention is further arranged to: described matrix further includes 0.5-0.8%W.
By using above-mentioned technical proposal, tungsten fusing point is high, and than great, the carbon with high rigidity and wearability can be formed with carbon
Change tungsten.
It is a further object of the present invention to provide a kind of production technologies of wear-resisting screw plate.
A kind of production technology of wear-resisting screw plate, includes the following steps: S1 blanking；S2 forging；S3 spheroidizing；S4 machine adds
Work；S5 cold breakdown screw thread；S6 quenching；S7 lonneal；S8 mill processing；S9 pretreatment；S10 configures plating solution；S11 electro-deposition.
The present invention is further arranged to: the pretreated process of S9 is as follows: first immersing screw plate in degreasing fluid, heating
To 60-80 DEG C, 10-15min is handled, successively washing, acetone are washed, washed after taking-up, are next immersed in 6-10% sulfuric acid solution, are located
Manage 6-8min；Degreasing fluid includes 30-40g/L sodium hydroxide, 25-30g/L sodium carbonate, 0.4-0.8ml/L OP-10.
By using above-mentioned technical proposal, thread rolling plate surface degreases, oxide skin by cleaning, helps to improve electricity
Deposition effect.
The present invention is further arranged to: the process of the S10 configuration plating solution is as follows: first mixing NiSO4·6H2O、NiCl2·
6H2O, boric acid and water, then dispersing agent is put into, it stirs evenly, finally successively puts into nano ceric oxide, nano yttrium oxide, receives
Rice aluminium oxide, nanometer silicon carbide, nano zircite；2-3min is stirred by ultrasonic in nanoparticle after feeding intake every time, then carries out next time
It feeds intake.
By using above-mentioned technical proposal, nanoparticle dispersion performance is good.
The present invention is further arranged to: the nanoparticle is activated before basic bath is added, treatment process
It is as follows:
The first step acquires yellow cinnamon leaf, its main lobe arteries and veins is removed after cleaning, is dried at 60-70 DEG C, blade powder is obtained after crushing
End；
Blade powder is immersed in ethyl alcohol, is heated to 80-90 DEG C, refluxing extraction 2-3h obtains treatment fluid after filtering by second step；
Third step, a variety of nanoparticles respectively individually immerse in treatment fluid, are heated to 40-50 DEG C, 15-20min are handled, after filtering
Washing, drying.
By using above-mentioned technical proposal, the polysaccharide component in yellow cinnamon leaf is extracted, and the activity of nano-particle surface
Hydroxyl easily forms hydrogen bond action with the hydroxyl of polysaccharide, introduces more active groups, improves the function and effect of dispersing agent.
In conclusion the invention has the following advantages:
1. matrix improves C content on the basic components of 9SiCr shear steel, make the combination of its nano-composite plate and matrix more
Closely.Nano-composite plate is based on nickel coating, composite nano particle, has both good toughness and plasticity, intensity and hardness,
Making the antisticking wear rate of coating enhances；
2. the effect of dispersing agent and activator, so that big concentration, the nanoparticle dispersion effect of multiple types are good.
Detailed description of the invention
Fig. 1 is the flow diagram of embodiment one to three.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
A kind of wear-resisting screw plate, the nano-composite plate of matrix outer is overlying on including matrix, using electrodeposition technology.
Matrix includes following component by mass percentage: C 1.0%, Si 1.6%, Mn 0.3%, Cr 1.25%, W 0.5%,
Surplus is Fe and inevitable impurity.
Nano-composite plate is formed in matrix surface by the electrodeposited technique of nanometer plating solution, and nanometer plating solution includes following content
Component: 260g/L NiSO4·6H2O、20g/L NiCl2·6H2O, 30g/L boric acid, 30g/L nanoparticle, 0.6g/L
Dispersing agent.Nanoparticle includes 8 parts of nanometer α-Al2O3, 6 parts of nano ceric oxides, 2 parts of nano yttrium oxides, 6 parts of nanometer silicon carbides,
3 parts of nano zircites.
The preparation process of dispersing agent is as follows: diethylene glycol (DEG) and acetone being mixed, are heated to 40 DEG C, then logical nitrogen protection, and drip
Add IPDI, be heated to 60 DEG C after mixing evenly, reacts 3h, be subsequently added into poly glycol monomethyl ether, stannous octoate, tin dilaurate two
Butyl tin reacts 3h, is finally evaporated under reduced pressure and removes acetone, and water is added and is mixed to obtain dispersing agent；Diethylene glycol (DEG), IPDI and poly- second
The molar ratio of glycol monomethyl ether is 2:3:1；Stannous octoate and dibutyl tin dilaurate mass ratio are 1:1 and gross weight accounts for diethylene glycol (DEG)
The 0.1% of quality.
A kind of production technology of wear-resisting screw plate, as shown in Figure 1, including the following steps:
S1 blanking；
S2 forging；
S3 spheroidizing: being heated to 800 DEG C, keeps the temperature 2h, is cooled to 720 DEG C, then keep the temperature 7h, is cooled to 530 DEG C, comes out of the stove；
S4 machining；
S5 cold breakdown screw thread；
S6 quenching: being heated to 640 DEG C, keeps the temperature 0.5h, is heated to 880 DEG C, keeps the temperature 0.25h, and cooling is come out of the stove；
S7 lonneal: being heated to 210 DEG C, keeps the temperature 2h, and cooling is come out of the stove；
S8 mill processing: polishing grinding scale removal obtains screw plate；
S9 pretreatment: first immersing screw plate in degreasing fluid, is heated to 60 DEG C, handles 10min, successively washing, acetone after taking-up
It washes, wash, be next immersed in 6% sulfuric acid solution, handle 6min；Degreasing fluid include 30g/L sodium hydroxide, 25g/L sodium carbonate,
0.4ml/L OP-10；
S10 configures plating solution: first mixing NiSO4·6H2O、NiCl2·6H2O, boric acid and water, then dispersing agent is put into, stirring is equal
It is even, finally successively put into nano ceric oxide, nano yttrium oxide, nano aluminium oxide, nanometer silicon carbide, nano zircite；Nanometer
2min is stirred by ultrasonic in particle after feeding intake every time, then is fed intake next time；Nanoparticle carries out at activation before basic bath is added
Reason, treatment process are as follows:
The first step, acquisition current year raw yellow cinnamon leaf, removes its main lobe arteries and veins, dries at 60 DEG C, blade is obtained after crushing after cleaning
Powder；
Blade powder is immersed in ethyl alcohol, is heated to 80 DEG C, refluxing extraction 2h obtains treatment fluid after filtering by second step；
Third step, a variety of nanoparticles respectively individually immerse in treatment fluid, are heated to 40 DEG C, handle 15min, washed after filtering,
Drying；
S11 electro-deposition: current density 4A/dm2, mixing speed 400rpm, pH value 4.6, temperature 50 C, ultrasonic power 200W.
Embodiment two:
A kind of wear-resisting screw plate, the nano-composite plate of matrix outer is overlying on including matrix, using electrodeposition technology.
Matrix includes following component by mass percentage: C 1.15%, Si 1.2%, Mn 0.6%, Cr 0.95%, W 0.8%,
Surplus is Fe and inevitable impurity.
Nano-composite plate is formed in matrix surface by the electrodeposited technique of nanometer plating solution, and nanometer plating solution includes following content
Component: 300g/L NiSO4·6H2O、30g/L NiCl2·6H2O, 40g/L boric acid, 40g/L nanoparticle, 1.3g/L
Dispersing agent.Nanoparticle includes 10 parts of nanometer α-Al2O3, 8 parts of nano ceric oxide, 3 parts of nano yttrium oxides, 8 parts of nano silicon carbides
Silicon, 5 parts of nano zircites.
The preparation process of dispersing agent is as follows: diethylene glycol (DEG) and acetone being mixed, are heated to 45 DEG C, then logical nitrogen protection, and drip
Add IPDI, be heated to 65 DEG C after mixing evenly, reacts 4h, be subsequently added into poly glycol monomethyl ether, stannous octoate, tin dilaurate two
Butyl tin reacts 4h, is finally evaporated under reduced pressure and removes acetone, and water is added and is mixed to obtain dispersing agent；Diethylene glycol (DEG), IPDI and poly- second
The molar ratio of glycol monomethyl ether is 2.5:2:1；Stannous octoate and dibutyl tin dilaurate mass ratio be 1:1 and gross weight to account for two sweet
The 0.1% of alcohol quality.
A kind of production technology of wear-resisting screw plate, as shown in Figure 1, including the following steps:
S1 blanking；
S2 forging；
S3 spheroidizing: being heated to 800 DEG C, keeps the temperature 2h, is cooled to 720 DEG C, then keep the temperature 7h, is cooled to 530 DEG C, comes out of the stove；
S4 machining；
S5 cold breakdown screw thread；
S6 quenching: being heated to 640 DEG C, keeps the temperature 0.5h, is heated to 880 DEG C, keeps the temperature 0.25h, and cooling is come out of the stove；
S7 lonneal: being heated to 210 DEG C, keeps the temperature 2h, and cooling is come out of the stove；
S8 mill processing: polishing grinding scale removal obtains screw plate；
S9 pretreatment: first immersing screw plate in degreasing fluid, is heated to 80 DEG C, handles 15min, successively washing, acetone after taking-up
It washes, wash, be next immersed in 10% sulfuric acid solution, handle 8min；Degreasing fluid include 40g/L sodium hydroxide, 30g/L sodium carbonate,
0.8ml/L OP-10；
S10 configures plating solution: first mixing NiSO4·6H2O、NiCl2·6H2O, boric acid and water, then dispersing agent is put into, stirring is equal
It is even, finally successively put into nano ceric oxide, nano yttrium oxide, nano aluminium oxide, nanometer silicon carbide, nano zircite；Nanometer
3min is stirred by ultrasonic in particle after feeding intake every time, then is fed intake next time；Nanoparticle carries out at activation before basic bath is added
Reason, treatment process are as follows:
The first step, acquisition current year raw yellow cinnamon leaf, removes its main lobe arteries and veins, dries at 70 DEG C, blade is obtained after crushing after cleaning
Powder；
Blade powder is immersed in ethyl alcohol, is heated to 90 DEG C, refluxing extraction 3h obtains treatment fluid after filtering by second step；
Third step, a variety of nanoparticles respectively individually immerse in treatment fluid, are heated to 50 DEG C, handle 20min, washed after filtering,
Drying；
S11 electro-deposition: current density 4A/dm2, mixing speed 400rpm, pH value 4.6, temperature 50 C, ultrasonic power 200W.
Embodiment three:
A kind of wear-resisting screw plate, the nano-composite plate of matrix outer is overlying on including matrix, using electrodeposition technology.
Matrix includes following component by mass percentage: C 1.07%, Si 1.4%, Mn 0.45%, Cr 1.1%, W
0.65%, surplus is Fe and inevitable impurity.
Nano-composite plate is formed in matrix surface by the electrodeposited technique of nanometer plating solution, and nanometer plating solution includes following content
Component: 280g/L NiSO4·6H2O、25g/L NiCl2·6H2O, 35g/L boric acid, 35g/L nanoparticle, 0.9g/L
Dispersing agent.Nanoparticle includes 9 parts of nanometer α-Al2O3, 7 parts of nano ceric oxide, 2.5 parts of nano yttrium oxides, 7 parts of nano silicon carbides
Silicon, 4 parts of nano zircites.
The preparation process of dispersing agent is as follows: diethylene glycol (DEG) and acetone being mixed, are heated to 43 DEG C, then logical nitrogen protection, and drip
Add IPDI, be heated to 62 DEG C after mixing evenly, reacts 3.5h, be subsequently added into poly glycol monomethyl ether, stannous octoate, tin dilaurate
Dibutyl tin reacts 3.5h, is finally evaporated under reduced pressure and removes acetone, and water is added and is mixed to obtain dispersing agent；Diethylene glycol (DEG), IPDI and
The molar ratio of poly glycol monomethyl ether is 2.2:2.5:1；Stannous octoate and dibutyl tin dilaurate mass ratio are 1:1 and gross weight
Account for the 0.1% of diethylene glycol (DEG) quality.
A kind of production technology of wear-resisting screw plate, as shown in Figure 1, including the following steps:
S1 blanking；
S2 forging；
S3 spheroidizing: being heated to 800 DEG C, keeps the temperature 2h, is cooled to 720 DEG C, then keep the temperature 7h, is cooled to 530 DEG C, comes out of the stove；
S4 machining；
S5 cold breakdown screw thread；
S6 quenching: being heated to 640 DEG C, keeps the temperature 0.5h, is heated to 880 DEG C, keeps the temperature 0.25h, and cooling is come out of the stove；
S7 lonneal: being heated to 210 DEG C, keeps the temperature 2h, and cooling is come out of the stove；
S8 mill processing: polishing grinding scale removal obtains screw plate；
S9 pretreatment: first immersing screw plate in degreasing fluid, is heated to 70 DEG C, handles 12min, successively washing, acetone after taking-up
It washes, wash, be next immersed in 8% sulfuric acid solution, handle 7min；Degreasing fluid include 35g/L sodium hydroxide, 28g/L sodium carbonate,
0.6ml/L OP-10；
S10 configures plating solution: first mixing NiSO4·6H2O、NiCl2·6H2O, boric acid and water, then dispersing agent is put into, stirring is equal
It is even, finally successively put into nano ceric oxide, nano yttrium oxide, nano aluminium oxide, nanometer silicon carbide, nano zircite；Nanometer
2.5min is stirred by ultrasonic in particle after feeding intake every time, then is fed intake next time；Nanoparticle is activated before basic bath is added
Processing, treatment process are as follows:
The first step, acquisition current year raw yellow cinnamon leaf, removes its main lobe arteries and veins, dries at 65 DEG C, blade is obtained after crushing after cleaning
Powder；
Blade powder is immersed in ethyl alcohol, is heated to 85 DEG C, refluxing extraction 2.5h obtains treatment fluid after filtering by second step；
Third step, a variety of nanoparticles respectively individually immerse in treatment fluid, are heated to 45 DEG C, handle 18min, washed after filtering,
Drying；
S11 electro-deposition: current density 4A/dm2, mixing speed 400rpm, pH value 4.6, temperature 50 C, ultrasonic power 200W.
Example IV:
Difference with embodiment three is: nanoparticle is not activated.
Embodiment five:
Difference with embodiment three is: matrix does not include W.
Embodiment six:
Difference with embodiment three is: dispersing agent is lauryl sodium sulfate.
Embodiment seven:
Difference with embodiment three is: nanoparticle is nanometer α-Al2O3。
Comparative example one:
Difference with embodiment three is: the concentration of nanoparticle is 10g/L.
Comparative example two:
Difference with embodiment three is: nanometer plating solution does not include dispersing agent.
Comparative example three:
Difference with embodiment three is: matrix does not include W, and C content is 0.9%.
Comparative example four:
Difference with embodiment three is: the not set nano-composite plate of matrix surface.
The test of screw plate wear-resisting property:
By the method recorded in JB/T 12607-2016 " ultrahard cutting tool material method for testing performance ", to embodiment one to seven, right
The screw plate of ratio one to four carries out wearability test, obtains abrasion loss, is shown in Table 1.
Service life reaches at least 400,000 when the screw plate of embodiment one to three is for processing 10.9 grade bolt.
1 screw plate wear-resisting property test result table of table
| Abrasion loss (10-5mm3/Nm) | Abrasion loss (10-5mm3/Nm) | ||
| Embodiment one | 8.26 | Embodiment seven | 17.69 |
| Embodiment two | 9.75 | Comparative example one | 20.25 |
| Embodiment three | 6.89 | Comparative example two | 83.68 |
| Example IV | 49.62 | Comparative example three | 58.16 |
| Embodiment five | 32.35 | Comparative example four | 126.52 |
| Embodiment six | 72.29 | / | / |
This specific embodiment is only explanation of the invention, is not limitation of the present invention, and those skilled in the art exist
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in the present invention
Scope of the claims in all by the protection of Patent Law.
Claims (8)
1. a kind of wear-resisting screw plate, including matrix, set on the nano-composite plate of matrix outer, it is characterised in that: described matrix
It by mass percentage include following component: C 1.0-1.15%, Si 1.2-1.6%, Mn 0.3-0.6%, Cr 0.95-1.25%, it is remaining
Amount is Fe and inevitable impurity；The nano-composite plate is formed in matrix surface by the electrodeposited technique of nanometer plating solution, institute
State the component that nanometer plating solution includes following content: 260-300g/L NiSO4·6H2O、20-30g/L NiCl2·6H2O、30-
40g/L boric acid, 30-40g/L nanoparticle, 0.6-1.3g/L dispersing agent.
2. a kind of wear-resisting screw plate according to claim 1, it is characterised in that: parts by weights meter, the nanoparticle packet
Include 8-10 parts of nano aluminium oxides, 6-8 parts of nano ceric oxides, 2-3 parts of nano yttrium oxides, 6-8 parts of nanometer silicon carbides, 3-5 parts receive
Rice zirconium oxide.
3. a kind of wear-resisting screw plate according to claim 2, it is characterised in that: the preparation process of the dispersing agent is as follows:
Diethylene glycol (DEG) and acetone are mixed, 40-45 DEG C, then logical nitrogen protection is heated to, and IPDI is added dropwise, is heated to 60- after mixing evenly
65 DEG C, 3-4h is reacted, is subsequently added into poly glycol monomethyl ether, stannous octoate, dibutyl tin dilaurate, reacts 3-4h, finally
It is evaporated under reduced pressure and removes acetone, water is added and is mixed to obtain dispersing agent；The diethylene glycol (DEG), IPDI and poly glycol monomethyl ether rub
You are than being (2-2.5): (2-3): 1.
4. a kind of wear-resisting screw plate according to claim 2, it is characterised in that: described matrix further includes 0.5-0.8%W.
5. a kind of production technology of the described in any item wear-resisting screw plates of claim 2 to 4, which is characterized in that including walking as follows
It is rapid: S1 blanking；S2 forging；S3 spheroidizing；S4 machining；S5 cold breakdown screw thread；S6 quenching；S7 lonneal；S8 mill processing；S9
Pretreatment；S10 configures plating solution；S11 electro-deposition.
6. a kind of production technology of wear-resisting screw plate according to claim 5, it is characterised in that: the pretreated mistake of S9
Journey is as follows: first screw plate immersed in degreasing fluid, is heated to 60-80 DEG C, handles 10-15min, successively washing, acetone after taking-up
It washes, wash, be next immersed in 6-10% sulfuric acid solution, handle 6-8min；Degreasing fluid includes 30-40g/L sodium hydroxide, 25-30g/
L sodium carbonate, 0.4-0.8ml/L OP-10.
7. a kind of production technology of wear-resisting screw plate according to claim 5, it is characterised in that: the S10 configures plating solution
Process it is as follows: first mix NiSO4·6H2O、NiCl2·6H2O, boric acid and water, then dispersing agent is put into, it stirs evenly, finally
Successively put into nano ceric oxide, nano yttrium oxide, nano aluminium oxide, nanometer silicon carbide, nano zircite；Nanoparticle is each
2-3min is stirred by ultrasonic after feeding intake, then is fed intake next time.
8. a kind of production technology of wear-resisting screw plate according to claim 6, it is characterised in that: the nanoparticle is added
It is activated before basic bath, treatment process is as follows:
The first step acquires yellow cinnamon leaf, its main lobe arteries and veins is removed after cleaning, is dried at 60-70 DEG C, blade powder is obtained after crushing
End；
Blade powder is immersed in ethyl alcohol, is heated to 80-90 DEG C, refluxing extraction 2-3h obtains treatment fluid after filtering by second step；
Third step, a variety of nanoparticles respectively individually immerse in treatment fluid, are heated to 40-50 DEG C, 15-20min are handled, after filtering
Washing, drying.
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